> > >> From: Manfred Spraul [mailto:manfreds@colorfullife.com]
> > >> * max_pfn is set to the end if the last usable block.
> > >> * then the ACPI tables follow --> they are behind max_pfn -->
> > >> behind the
> > >> end of mem_map.
> > <nathan.zook@amd.com> wrote:
> > >This is changing. The new patches will be reclaim-enabled, so
> > >those pages will be mapped, and the max_pfn-class variables will
> > >reflect their presence.
> > From: orc@pell.portland.or.us [mailto:orc@pell.portland.or.us]
> > Only if these pages are set as acpi reclaim memory; if they're
> > marked as nvs and happen to be above the last ram section, max_pfn
> > won't catch them.
nathan.zook@amd.com wrote:
> Marking them NVS is an error, but I've been leaning towards mapping the NVS
> pages anyway.
Though if you find a bios that stuffs the nvs pages up near the top of
4gb, won't that make mem_map[] very large and thus potentially take
all memory away from low-memory systems?
____
david parsons \bi/ Spoiled by Award bioses that tuck acpi memory at the
\/ top of physical memory and just put miscellaneous
rom sections at the top of 4gb.
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